Metric Screw Threads M Profile Machinery's Handbook, 31st Edition
2031
Table 13. (Continued) External Metric Thread—M Profile Limiting Dimensions ANSI/ASME B1.13M-2005 (R2015)
Table 13. External Metric Thread—M Profile Limiting Dimensions ANSI/ASME B1.13M-2005 (R2015)
Minor Dia. b d 1 Max.
Minor Dia. d d 3 Min.
Major Diameter b d
Pitch Diameter b , c d 2
Basic Thread Designation M40 × 1.5 M40 × 1.5 M42 × 4.5 M42 × 4.5 M42 × 4.5 M42 × 2 M42 × 2
Tol. Class 4g6g 6h 6g 6h 4g6g
Allowance a es
Max. 40.000 39.968 41.937 42.000 41.937 41.962 42.000 41.962 44.968 45.000 44.968 47.929 48.000 47.929 47.962 48.000 47.962 49.968 50.000 49.968 54.968 55.000 54.968 55.925 56.000 55.925 55.962 56.000 55.962 59.968 60.000 59.968 63.920 64.000 63.920 63.962 64.000 63.962 64.968 65.000 64.968 69.968 70.000 69.968 71.920 72.000 71.920 71.962 72.000 71.962 74.968 75.000 74.968 79.920 80.000 79.920 79.962 80.000 79.962 79.968 80.000 79.968 84.962 85.000
Min.
Max.
Min.
Tol.
0.000 0.032 0.063 0.000 0.063 0.038 0.000 0.038 0.032 0.000 0.032 0.071 0.000 0.071 0.038 0.000 0.038 0.032 0.000 0.032 0.032 0.000 0.032 0.075 0.000 0.075 0.038 0.000 0.038 0.032 0.000 0.032 0.080 0.000 0.080 0.038 0.000 0.038 0.032 0.000 0.032 0.032 0.000 0.032 0.080 0.000 0.080 0.038 0.000 0.038 0.032 0.000 0.032 0.080 0.000 0.080 0.038 0.000 0.038 0.032 0.000 0.032 0.038 0.000
39.764 39.026 38.876 0.150 38.376 37.952 39.732 38.994 38.899 0.095 38.344 37.975 41.437 39.014 38.778 0.236 37.065 36.006 41.500 39.077 38.841 0.236 37.128 36.069 41.437 39.014 38.864 0.150 37.065 36.092 41.682 40.663 40.493 0.170 39.797 39.261 41.720 40.701 40.531 0.170 39.835 39.299 41.682 40.663 40.557 0.106 39.797 39.325 44.732 43.994 43.844 0.150 43.344 42.920 44.764 44.026 43.876 0.150 43.376 42.952 44.732 43.994 43.899 0.095 43.344 42.975 47.399 44.681 44.431 0.250 42.516 41.351 47.470 44.752 44.502 0.250 42.587 41.422 47.399 44.681 44.521 0.160 42.516 41.441 47.682 46.663 46.483 0.180 45.797 45.251 47.720 46.701 46.521 0.180 45.835 45.289 47.682 46.663 46.551 0.112 45.797 45.319 49.732 48.994 48.834 0.160 48.344 47.910 49.764 49.026 48.866 0.160 48.376 47.942 49.732 48.994 48.894 0.100 48.344 47.970 54.732 53.994 53.834 0.160 53.344 52.910 54.764 54.026 53.866 0.160 53.376 52.942 54.732 53.994 53.894 0.100 53.344 52.970 55.365 52.353 52.088 0.265 49.971 48.700 55.440 52.428 52.163 0.265 50.046 48.775 55.365 52.353 52.183 0.170 49.971 48.795 55.682 54.663 54.483 0.180 53.797 53.251 55.720 54.701 54.521 0.180 53.835 53.289 55.682 54.663 54.551 0.112 53.797 53.319 59.732 58.994 58.834 0.160 58.344 57.910 59.764 59.026 58.866 0.160 58.376 57.942 59.732 58.994 58.894 0.100 58.344 57.970 63.320 60.023 59.743 0.280 57.425 56.047 63.400 60.103 59.823 0.280 57.505 56.127 63.320 60.023 59.843 0.180 57.425 56.147 63.682 62.663 62.483 0.180 61.797 61.251 63.720 62.701 62.521 0.180 61.835 61.289 63.682 62.663 62.551 0.112 61.797 61.319 64.732 63.994 63.834 0.160 63.344 62.910 64.764 64.026 63.866 0.160 63.376 62.942 64.732 63.994 63.894 0.100 63.344 62.970 69.732 68.994 68.834 0.160 68.344 67.910 69.764 69.026 68.866 0.160 68.376 67.942 69.732 68.994 68.894 0.100 68.344 67.970 71.320 68.023 67.743 0.280 65.425 64.047 71.400 68.103 67.823 0.280 65.505 64.127 71.320 68.023 67.843 0.180 65.425 64.147 71.682 70.663 70.483 0.180 69.797 69.251 71.720 70.701 70.521 0.180 69.835 69.289 71.682 70.663 70.551 0.112 69.797 69.319 74.732 73.994 73.834 0.160 73.344 72.910 74.764 74.026 73.866 0.160 73.376 72.942 74.732 73.994 73.894 0.100 73.344 72.970 79.320 76.023 75.743 0.280 73.425 72.047 79.400 76.103 75.823 0.280 73.505 72.127 79.320 76.023 75.843 0.180 73.425 72.147 79.682 78.663 78.483 0.180 77.797 77.251 79.720 78.701 78.521 0.180 77.835 77.289 79.682 78.663 78.551 0.112 77.797 77.319 79.732 78.994 78.834 0.160 78.344 77.910 79.764 79.026 78.866 0.160 78.376 77.942 79.732 78.994 78.894 0.100 78.344 77.970 84.682 83.663 83.483 0.180 82.797 82.251 84.720 83.701 83.521 0.180 82.835 82.289
6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h
4g6g
M42 × 2 M45 × 1.5 M45 × 1.5 M45 × 1.5 M48 × 5 M48 × 5 M48 × 5 M48 × 2 M48 × 2 M48 × 2 M50 × 1.5 M50 × 1.5 M50 × 1.5 M55 × 1.5 M55 × 1.5 M55 × 1.5 M56 × 5.5 M56 × 5.5 M56 × 5.5 M56 × 2 M56 × 2 M56 × 2 M60 × 1.5 M60 × 1.5 M60 × 1.5 M64 × 6 M64 × 6 M64 × 6 M64 × 2 M64 × 2 M64 × 2 M65 × 1.5 M65 × 1.5 M65 × 1.5 M70 × 1.5 M70 × 1.5 M70 × 1.5 M72 × 6 M72 × 6 M72 × 6 M72 × 2 M72 × 2 M72 × 2 M75 × 1.5 M75 × 1.5 M75 × 1.5 M80 × 6 M80 × 6 M80 × 6 M80 × 2 M80 × 2 M80 × 2 M80 × 1.5 M80 × 1.5 M80 × 1.5 M85 × 2 M85 × 2
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
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